10587232009 has 2 divisors, whose sum is σ = 10587232010. Its totient is φ = 10587232008.

The previous prime is 10587231961. The next prime is 10587232013. The reversal of 10587232009 is 90023278501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6001910784 + 4585321225 = 77472^2 + 67715^2 .

It is a cyclic number.

It is not a de Polignac number, because 10587232009 - 2⁹ = 10587231497 is a prime.

It is a super-2 number, since 2×10587232009² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10587202009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5293616004 + 5293616005.

It is an arithmetic number, because the mean of its divisors is an integer number (5293616005).

Almost surely, 2^10587232009 is an apocalyptic number.

It is an amenable number.

10587232009 is a deficient number, since it is larger than the sum of its proper divisors (1).

10587232009 is an equidigital number, since it uses as much as digits as its factorization.

10587232009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 10587232009 in words is "ten billion, five hundred eighty-seven million, two hundred thirty-two thousand, nine".